Property, Plant and Equipment is shown functionally on the face of the balance sheets. The following tables include the total plant balances as of December 31, 2025 and 2024:
December 31, 2025AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Regulated Property, Plant and Equipment
Generation
$28,252 (a)$— $— $7,886 $5,415 $— $4,365 $6,621 (a)
Transmission42,557 8,229 16,542 5,277 2,055 3,916 1,433 3,302 
Distribution33,364 6,835 — 5,938 3,823 7,661 3,987 3,242 
Other7,731 1,236 571 1,127 1,011 1,277 1,289 726 
CWIP7,613 (a)1,766 2,005 802 397 811 635 712 (a)
Less: Accumulated Depreciation
27,879 2,204 1,915 6,360 4,829 2,992 2,749 3,288 
Total Regulated Property, Plant and Equipment - Net
91,638 15,862 17,203 14,670 7,872 10,673 8,960 11,315 
Nonregulated Property, Plant and Equipment - Net
736 — 43 72 11 26 
Total Property, Plant and Equipment - Net
$92,374 $15,864 $17,203 $14,713 $7,944 $10,684 $8,964 $11,341 

December 31, 2024AEPAEP TexasAEPTCoAPCoI&MOPCoPSOSWEPCo
(in millions)
Regulated Property, Plant and Equipment
Generation
$24,695 (a)$— $— $7,273 $5,439 $— $2,772 $5,288 (a)
Transmission38,871 7,547 14,913 5,001 1,958 3,664 1,345 2,864 
Distribution31,062 6,250 — 5,569 3,535 7,244 3,699 3,007 
Other6,545 1,173 516 1,023 947 1,245 547 683 
CWIP6,322 (a)1,118 1,965 743 330 691 379 627 (a)
Less: Accumulated Depreciation
25,794 2,046 1,578 6,031 4,607 2,883 2,215 3,049 
Total Regulated Property, Plant and Equipment - Net
81,701 14,042 15,816 13,578 7,602 9,961 6,527 9,420 
Nonregulated Property, Plant and Equipment - Net
715 — 35 77 10 26 
Total Property, Plant and Equipment - Net
$82,416 $14,044 $15,816 $13,613 $7,679 $9,971 $6,532 $9,446 

(a)AEP and SWEPCo’s regulated generation and regulated CWIP include amounts related to SWEPCo’s Arkansas jurisdictional share of the Turk Plant.

Historical Timeline

Fiscal YearFiled
2025Feb 12, 2026Showing above
2024Feb 13, 2025
2023Feb 26, 2024
2022Feb 23, 2023
2021Feb 24, 2022
2020Feb 25, 2021
2019Feb 20, 2020
2018Feb 21, 2019
2017Feb 23, 2018
2016Feb 28, 2017
2015Feb 24, 2016

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.